Files
silo-server/internal/api/middleware/request_logger.go
T

104 lines
2.7 KiB
Go

package middleware
import (
"bufio"
"fmt"
"log/slog"
"net"
"net/http"
"strings"
"time"
"github.com/go-chi/chi/v5"
chimw "github.com/go-chi/chi/v5/middleware"
"github.com/Silo-Server/silo-server/internal/activitylog"
"github.com/Silo-Server/silo-server/internal/clientip"
)
func RequestLogger(nodeID string) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
for _, prefix := range []string{"/api/v1/health", "/api/v1/ready", "/api/v1/admin/logs"} {
if strings.HasPrefix(r.URL.Path, prefix) {
next.ServeHTTP(w, r)
return
}
}
start := time.Now()
wrapped := &requestStatusWriter{ResponseWriter: w, status: http.StatusOK}
lc := activitylog.GetLogContext(r.Context())
if lc == nil {
lc = &activitylog.LogContext{}
r = r.WithContext(activitylog.SetLogContext(r.Context(), lc))
}
playbackLC := activitylog.GetPlaybackLogContext(r.Context())
if playbackLC == nil {
playbackLC = &activitylog.PlaybackLogContext{}
r = r.WithContext(activitylog.SetPlaybackLogContext(r.Context(), playbackLC))
}
next.ServeHTTP(wrapped, r)
pathPattern := r.URL.Path
if routeCtx := chi.RouteContext(r.Context()); routeCtx != nil {
if route := routeCtx.RoutePattern(); route != "" {
pathPattern = route
}
}
attrs := []any{
"component", "api",
"request_id", chimw.GetReqID(r.Context()),
"method", r.Method,
"path", r.URL.Path,
"path_pattern", pathPattern,
"status", wrapped.status,
"duration_ms", time.Since(start).Milliseconds(),
"client_ip", clientip.FromContext(r.Context()),
"user_agent", r.UserAgent(),
"node_id", nodeID,
}
if lc.UserID != nil {
attrs = append(attrs, "user_id", *lc.UserID)
}
if lc.SessionID != "" {
attrs = append(attrs, "session_id", lc.SessionID)
}
if playbackLC.PlaybackSessionID != "" {
attrs = append(attrs, "playback_session_id", playbackLC.PlaybackSessionID)
}
slog.Info("api request", attrs...)
})
}
}
type requestStatusWriter struct {
http.ResponseWriter
status int
wroteHeader bool
}
func (w *requestStatusWriter) WriteHeader(status int) {
if !w.wroteHeader {
w.status = status
w.wroteHeader = true
}
w.ResponseWriter.WriteHeader(status)
}
func (w *requestStatusWriter) Write(b []byte) (int, error) {
if !w.wroteHeader {
w.wroteHeader = true
}
return w.ResponseWriter.Write(b)
}
func (w *requestStatusWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
if hj, ok := w.ResponseWriter.(http.Hijacker); ok {
return hj.Hijack()
}
return nil, nil, fmt.Errorf("underlying ResponseWriter does not implement http.Hijacker")
}